Function resolveOrgByDomain

server/src/db/domain-resolution-db.ts:29–48

(domain: string)

 * Returns null if no match is found.
 */
export async function resolveOrgByDomain(domain: string): Promise<DomainResolution | null> {
  const normalized = domain.toLowerCase().trim();

  // Try database lookups first (fast)
  const dbResult = await resolveFromDatabase(normalized);
  if (dbResult) return dbResult;

  // No DB match — check if the domain redirects to a different one
  const redirectTarget = await resolveRedirectDomain(normalized);
  if (redirectTarget && redirectTarget !== normalized) {
    const redirectResult = await resolveFromDatabase(redirectTarget);
    if (redirectResult) {
      // Persist the alias so future lookups skip the HTTP check
      persistRedirectAlias(normalized, redirectTarget);
      return { ...redirectResult, method: 'redirect' };
    }
  }

  return null;
}

/**
 * Batch resolve multiple domains to organizations using database-only lookups.